Exploring ES6: A Guide to ECMAScript 2015

Welcome to our journey into the world of ECMAScript 2015, commonly known as ES6. Released in 2015, ES6 introduced numerous features and enhancements to JavaScript, making it more powerful and expressive.

1. Constants with const and let

ES6 brought us const and let for declaring variables. const is used for constants, and let for block-scoped variables.


const pi = 3.14159;
let counter = 0;

2. Arrow Functions

Arrow functions provide a concise syntax for writing functions. They also inherit the this value from the enclosing scope.


const add = (a, b) => a + b;

3. Template Literals

Template literals allow embedding expressions inside string literals using backticks (`).


const name = 'John';
const greeting = `Hello, ${name}!`;

4. Conclusion

ES6 brought a wealth of improvements to JavaScript, enhancing its readability and functionality. As you explore these features, you'll find new ways to write cleaner and more efficient code.

For interview question and answer on above topic click here
Published On: 2024-01-17